Katzco Hand Siphon Transfer Pump 2-Pack- for Gas, Oil, Automotive, Emergency, Fluid USE IN EMERGENCIES - When you're stuck with an empty tank Siphon Pump enables you to quickly and easily pump the gas from the carry on container to the gas tank. That will comfortably take you to the nearest gas station where you can refuel once again. Pump is The most important and practical accessory to always have in your car. Ideal for fueling any small engine & Emergency Gas Transfer SIPHON PUMPING MECHANISM - Transfer pump works with any low-viscosity fluid to fill or empty engines, tanks and more The intake tube is placed at the bottom of the liquid to be moved and the outgoing tube is fed into the receptacle receiving the liquid. USE ON A VARIETY OF SMALL ENGINES - Use on lawn tractors, boats, jet skis / PWC, ATVs, snowmobiles, trimmers, chainsaws, generators, leaf blowers, edgers, snow throwers, farm equipment and light commercial equipment and more. EASY TO USE  Katzco hand siphon transfer pump is easy to use. Insert the suction pipe into the sending container and insert the discharge hose into the receiving container or fuel tank. Once inserted squeeze the bulb a few times to start the siphon action. Turn air vent cap clockwise and counter clockwise to tighten and open to start/stop fluid flow. FAST AND EASY TRANSFER  This transfer pump makes for quick fluid transfers for those occasions when needed. Pump drains up to 3 gallons per minute for fast transfers that are mess free.